I wouldn't have noticed this except that the CDN appears to be down in my area. When the overflow tab appears, clicking on it shows the list of all tabs. Then,
- Clicking the currently selected tab will reload the already loaded tab.
- Clicking non-AJAX tabs (edit, index) will attempt to load them via AJAX.
- The "»" is quite non-descript, especially when ALL other tabs overflow.
Fixed for the next build. Clicking the currently selected tab has no effect. Clicking non-AJAX tabs will follow the link. The label for the overflow tab is now "more »".